The aurora and solar activity archive
Searching for historical solar and auroral activity data? The archive is filled with data between the year 1996 and yesterday. You can choose a viewing mode to quickly look for days with interesting space weather and pick a day to view the archived data for that day with more detailed space weather data.
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Sunday Sun. |
1Kp3 | 2Kp2 | 3Kp1+ | 4Kp2+ | 5Kp2- | 6B4.3 Kp1 | 7B1.19 Kp2- |
8Kp4- | 9Kp5 | 10Kp5- | 11Kp3 | 12Kp2 | 13Kp2+ | 14Kp2+ |
15A1.57 Kp3- | 16Kp2- | 17Kp2+ | 18Kp1+ | 19A1.57 Kp1 | 20Kp1- | 21Kp4- |
22Kp2+ | 23Kp2 | 24Kp1+ | 25Kp1 | 26Kp0+ | 27Kp2+ | 28Kp2- |
29Kp2- | 30Kp3+ | 31Kp3- | ||||
Latest news
Monday, 19 January 2026
CME impact! S4 solar radiation storm
Sunday, 18 January 2026
X1.9 solar flare with earth-directed CME
Wednesday, 31 December 2025
Happy New Year! Celebrate with an M7.1 solar flare!
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Space weather facts
| Last X-flare | 2026/01/18 | X1.9 |
| Last M-flare | 2026/01/21 | M1.1 |
| Last geomagnetic storm | 2026/01/19 | Kp9- (G4) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| December 2025 | 124 +32.2 |
| January 2026 | 103.8 -20.2 |
| Last 30 days | 109.8 +2 |